问题
单项选择题
Two ways in which economic activity may be coordinated include:（）
A. market coordination and structural coordination.
B. firm coordination and structural coordination.
C. market coordination and firm coordination.
答案
参考答案：C
解析：
Firm coordination occurs when a firm produces its product using resources within the firm. Market coordination occurs when resources outside the firm are used for example a firm may have other companies produce the components of their product (outsourcing) and the firm then assembles these outsourced components in-house.